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[PATCH] tty: trivial kzalloc opportunity
[deliverable/linux.git]
/
drivers
/
net
/
ppp_async.c
diff --git
a/drivers/net/ppp_async.c
b/drivers/net/ppp_async.c
index aa6540b39466d464f0c70f497469b90820458ac8..933e2f3c77aac7ccb76f7ee226e9db0e1994977c 100644
(file)
--- a/
drivers/net/ppp_async.c
+++ b/
drivers/net/ppp_async.c
@@
-30,6
+30,7
@@
#include <linux/ppp_channel.h>
#include <linux/spinlock.h>
#include <linux/init.h>
#include <linux/ppp_channel.h>
#include <linux/spinlock.h>
#include <linux/init.h>
+#include <linux/jiffies.h>
#include <asm/uaccess.h>
#include <asm/string.h>
#include <asm/uaccess.h>
#include <asm/string.h>
@@
-124,8
+125,8
@@
static struct ppp_channel_ops async_ops = {
* way to fix this is to use a rwlock in the tty struct, but for now
* we use a single global rwlock for all ttys in ppp line discipline.
*
* way to fix this is to use a rwlock in the tty struct, but for now
* we use a single global rwlock for all ttys in ppp line discipline.
*
- * FIXME: this is no longer true. The _close path for the ldisc is
- * now guaranteed to be sane.
+ * FIXME: this is no longer true. The _close path for the ldisc is
+ * now guaranteed to be sane.
*/
static DEFINE_RWLOCK(disc_data_lock);
*/
static DEFINE_RWLOCK(disc_data_lock);
@@
-276,7
+277,7
@@
ppp_asynctty_write(struct tty_struct *tty, struct file *file,
* Called in process context only. May be re-entered by multiple
* ioctl calling threads.
*/
* Called in process context only. May be re-entered by multiple
* ioctl calling threads.
*/
-
+
static int
ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
static int
ppp_asynctty_ioctl(struct tty_struct *tty, struct file *file,
unsigned int cmd, unsigned long arg)
@@
-570,7
+571,7
@@
ppp_async_encode(struct asyncppp *ap)
* character if necessary.
*/
if (islcp || flag_time == 0
* character if necessary.
*/
if (islcp || flag_time == 0
- ||
jiffies - ap->last_xmit >= flag_time
)
+ ||
time_after_eq(jiffies, ap->last_xmit + flag_time)
)
*buf++ = PPP_FLAG;
ap->last_xmit = jiffies;
fcs = PPP_INITFCS;
*buf++ = PPP_FLAG;
ap->last_xmit = jiffies;
fcs = PPP_INITFCS;
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